science creative task

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Across
  1. 3. the process of changing chemicals
  2. 5. electricity moving through things
  3. 8. reaction a chemical reaction accompanied by the absorption of heat
  4. 11. made from fossils
  5. 12. the centre of an atom
  6. 13. the process of two substances combining to make a new one
  7. 15. separation of a liquid mixture into fractions differing in boiling point
  8. 17. the exact opposite of a chemical synthesis
  9. 18. how much energy something could have
  10. 20. what is made
  11. 21. a liquid or gel which contains ions
  12. 23. chemical decomposition produced by passing an electric current through a liquid or solution containing ions
  13. 24. a reaction that produces heat
  14. 26. a reaction where two or more elements or compounds combine to form a single compound
  15. 27. mixing chemicals
  16. 28. a substance that takes part in a reaction
Down
  1. 1. commonly known as burning
  2. 2. liquid substance
  3. 4. able to be dissolved
  4. 6. an insoluble solid that emerges from a liquid solution
  5. 7. how trees make air
  6. 9. energy created by a chemical reaction
  7. 10. energy created by an object moving
  8. 14. the building blocks of the universe
  9. 16. organic fuel
  10. 19. a compound of hydrogen and carbon
  11. 22. cause (a substance) to be deposited in solid form from a solution.
  12. 25. like an atom